ago

adverb

/əˈɡəʊ/

used in expressions of time with the simple past tense to show how far in the past something happened（与动词的一般过去时连用）以前
- two weeks/months/years ago两周／两月／两年以前
- The letter came a few days ago.这封信是几天前寄来的。
- She was here just a minute ago.刚才她还在这儿。
- a short/long time ago不久／很久以前
- How long ago did you buy it?这东西你是多久以前买的？
- It was on TV not (so) long ago.电视不（很）久以前播出了这个节目。
- Scientists think there was water on Mars a long time ago.科学家认为很久以前火星上有水。
- He stopped working some time ago (= quite a long time ago).好久以前他就不工作了。
- They're getting married? It's not that long ago (= it's only a short time ago) that they met!他们要结婚啦？他们刚认识不久嘛！
It is not correct to use ‘since’ in this sentence: It's not long ago since they met . You can only use ‘since’ if you leave out ago: It's not long since they met. Topics Timea1
词源Middle English ago, agone, past participle of the obsolete verb ago ‘pass’, used to express passage of time.

词汇	ago
释义	ago adverb /əˈɡəʊ/ /əˈɡəʊ/ used in expressions of time with the simple past tense to show how far in the past something happened（与动词的一般过去时连用）以前 two weeks/months/years ago两周／两月／两年以前 The letter came a few days ago.这封信是几天前寄来的。 She was here just a minute ago.刚才她还在这儿。 a short/long time ago不久／很久以前 How long ago did you buy it?这东西你是多久以前买的？ It was on TV not (so) long ago.电视不（很）久以前播出了这个节目。 Scientists think there was water on Mars a long time ago.科学家认为很久以前火星上有水。 He stopped working some time ago (= quite a long time ago).好久以前他就不工作了。 They're getting married? It's not that long ago (= it's only a short time ago) that they met!他们要结婚啦？他们刚认识不久嘛！ It is not correct to use ‘since’ in this sentence: It's not long ago since they met . You can only use ‘since’ if you leave out ago: It's not long since they met. Topics Timea1 词源Middle English ago, agone, past participle of the obsolete verb ago ‘pass’, used to express passage of time.
随便看	be mixed up with be mixed up with be mixed up with sb be mixed up with sb be mixed up with somebody bemoan bemoaned bemoaner bemoaning bemoaningly bemoans be more than the sum of its parts bemuse bemused bemusedly bemusement bemusement bemuses bemuses bemusing bemusing be my guest Ben bench benched